14487538531 has 4 divisors (see below), whose sum is σ = 14662087272. Its totient is φ = 14312989792.

The previous prime is 14487538529. The next prime is 14487538553. The reversal of 14487538531 is 13583578441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14487538531 - 2¹ = 14487538529 is a prime.

It is a super-2 number, since 2×14487538531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14487538511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87274246 + ... + 87274411.

It is an arithmetic number, because the mean of its divisors is an integer number (3665521818).

Almost surely, 2^14487538531 is an apocalyptic number.

14487538531 is a deficient number, since it is larger than the sum of its proper divisors (174548741).

14487538531 is an equidigital number, since it uses as much as digits as its factorization.

14487538531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174548740.

The product of its digits is 1612800, while the sum is 49.

The spelling of 14487538531 in words is "fourteen billion, four hundred eighty-seven million, five hundred thirty-eight thousand, five hundred thirty-one".